diff options
| -rw-r--r-- | docs/ref/databases.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/ref/databases.txt b/docs/ref/databases.txt index a4e6724c46..75e2d085e8 100644 --- a/docs/ref/databases.txt +++ b/docs/ref/databases.txt @@ -214,7 +214,10 @@ full-text indexing and searching. Since MySQL 5.5.5, the default storage engine is InnoDB_. This engine is fully transactional and supports foreign key references. It's probably the best -choice at this point. +choice at this point. However, note that the the InnoDB autoincrement counter +is lost on a MySQL restart because it does not remember the +``AUTO_INCREMENT`` value, instead recreating it as "max(id)+1". This may +result in an inadvertent reuse of :class:`~django.db.models.AutoField` values. If you upgrade an existing project to MySQL 5.5.5 and subsequently add some tables, ensure that your tables are using the same storage engine (i.e. MyISAM |